Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Que ano tem um RAtt de 1 e um comp de 49?
 ###Tabelas: CREATE TABLE season-by-season_record (season-by-season_record_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Games INT, Lost INT, Tied VARCHAR, Points INT, Goals for INT, Goals against INT, Standing VARCHAR) CREATE TABLE switchers_s_series (switchers_s_series_id AUTO_INCREMENT PRIMARY KEY, Model VARCHAR, Specification VARCHAR, Build date VARCHAR, Total produced INT, Wheel arrangement VARCHAR, Prime mover VARCHAR, Power output VARCHAR) CREATE TABLE timeline_of_tallest_buildings (timeline_of_tallest_buildings_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Street address VARCHAR, Years as tallest VARCHAR, Height ft (m) VARCHAR, Floors VARCHAR, Architect VARCHAR) CREATE TABLE ohio_counties_ranked_by_per_capita_income (ohio_counties_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE playoff_stats (playoff_stats_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Team VARCHAR, Comp VARCHAR, Rate VARCHAR, RAtt VARCHAR, RYds VARCHAR, RAvg VARCHAR)  
SELECT Year FROM playoff_stats WHERE RAtt = 1 AND Comp = 49